Any feedback?
Literature summary for 5.6.1.8 extracted from
- Cytoplasmic and plasma membrane adenosine triphosphatase of polymorphonuclear neutrophils, comparison of their enzymatic properties and attempt for a direct determination of myosin ATPase activity using polymorphonuclear neutrophil extract (1980), Biochim. Biophys. Acta, 599, 246-253.
Activating Compound
| Activating Compound | Comment | Organism | Structure |
|---|---|---|---|
| actin | - |
Cavia porcellus |  |
Localization
| Localization | Comment | Organism | GeneOntology No. | Textmining |
|---|---|---|---|---|
| cytoplasm | - |
Cavia porcellus | 5737 | - |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| ATP + H2O + myosin bound to actin filament at position n | Cavia porcellus | - |
ADP + phosphate + myosin bound to actin filament at position n+1 | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Cavia porcellus | - |
guinea pig | - |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| leukocyte | polymorphonuclear neutrophils | Cavia porcellus | - |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| 0.005 | - |
myosin B, Mg2+-ATPase, 0.5 M KCl | Cavia porcellus |
| 0.05 | - |
myosin B, Ca2+-ATPase, 0.5 M KCl | Cavia porcellus |
| 0.06 | - |
myosin B, EDTA-ATPase, 0.5 M KCl | Cavia porcellus |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| ATP + H2O + myosin bound to actin filament at position n | - |
Cavia porcellus | ADP + phosphate + myosin bound to actin filament at position n+1 | - |
? | |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 9 | - |
myosin B, Ca2+-ATPase, EDTA-activated-ATPase, Mg2+-ATPase | Cavia porcellus |
pH Range
| pH Minimum | pH Maximum | Comment | Organism |
|---|---|---|---|
| 6 | 9 | myosin B Ca2+-ATPase, U-shaped curve, minimum at pH 7, second maximum (lower) at pH 6 | Cavia porcellus |
| 6 | 9 | myosin B, EDTA-activated-ATPase, activity increases with rising pH, strong decrease above pH 9 | Cavia porcellus |
| 6 | 9 | myosin B, Mg2+-ATPase, little activity increase until pH 7, decrease above pH 9 | Cavia porcellus |
Use of this online version of BRENDA is free under the CC BY 4.0 license. See terms of use for full details.
Release 2023.1 (January 2023)
Legal
Curated at
Member of
